Pioneer SGX-CA600 User Manual page 187

Each press of the [Confirm] button moves the cursor in the order of year,
month, and day.
If you press the [Confirm] button after the cursor has been moved to day,
the date is confirmed and the previous screen reappears.
5
Use the [←]/[→] buttons to select [Time] and then press the
[Confirm] button.
6
Use the [←]/[→] buttons to enter the time you wish to set
and then press the [Confirm] button.
Each press of the [Confirm] button moves the cursor in the order of hour,
minute, and second.
If you press the [Confirm] button after the cursor has been moved to
second, the time is confirmed and the previous screen reappears.
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